Wireless network cards for computers require control software to make them function (firmware, device drivers). This is a list of the status of some open-source drivers for 802.11 wireless network cards.
Also see wireless.kernel.org
Please note: This sections needs to be split in softMAC and hardMAC drivers. All softMAC drivers should have the same capabilities regarding encryption, since it is done by hostapd.
Then we should copy/extend http://wireless.kernel.org/en/users/Drivers because it lists all the available modes of operation: http://wireless.kernel.org/en/users/Documentation/modes
Then we should think about documenting, whether a driver can support multiple modes simultaneously and which ones.
Intel Centrino 6000/ 6150/ 6200/ 6205/ 6230/ 6250/ 6300
The following is an incomplete list of supported wireless devices: